Substrate treating apparatus and substrate treating method
US-12463086-B2 · Nov 4, 2025 · US
Devices for lifting brushes
Devices for lifting brushes · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01R39/42 |
| Official title | Devices for lifting brushes |
| Display label | Devices for lifting brushes |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 8 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 4 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Predictive brush control for separately excited electric motors
US-12027806-B2 · Jul 2, 2024 · US
Brush holder assembly
US-12015229-B2 · Jun 18, 2024 · US
Substrate treating apparatus and substrate treating method
US-2023117064-A1 · Apr 20, 2023 · US
Predictive brush control for separately excited electric motors
US-2022311198-A1 · Sep 29, 2022 · US
Brush holder assembly
US-2022140557-A1 · May 5, 2022 · US
Generator grounding strap module
US-10833568-B2 · Nov 10, 2020 · US
Generator grounding strap module
US-2020251967-A1 · Aug 6, 2020 · US
Power supply apparatus for field winding motor and field winding motor including the same
US-10622775-B2 · Apr 14, 2020 · US
Carbon holder plate for an electric motor, windshield wiper motor, and method for mounting a windshield wiper motor
US-2020099186-A1 · Mar 26, 2020 · US
Brush holder apparatus, brush assembly, and method
US-10199790-B2 · Feb 5, 2019 · US
Electrical supply into wind turbine hub
US-9903342-B2 · Feb 27, 2018 · US
Power supply apparatus for field winding motor and field winding motor including the same
US-2018006419-A1 · Jan 4, 2018 · US
Brush holder apparatus, brush assembly, and method
US-2017179665-A1 · Jun 22, 2017 · US
Brush lifter for an electric machine
US-2017117779-A1 · Apr 27, 2017 · US
Brush holder apparatus, brush assembly, and method
US-9590375-B2 · Mar 7, 2017 · US
Brush holder apparatus, brush assembly, and method
US-2016240990-A1 · Aug 18, 2016 · US
Brush holder apparatus, brush assembly, and method
US-9350130-B2 · May 24, 2016 · US
Brush holder apparatus, brush assembly, and method
US-9293879-B2 · Mar 22, 2016 · US
Brush holder apparatus, brush assembly, and method
US-9293880-B2 · Mar 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01R39/42?
- CPC H01R39/42 is the Cooperative Patent Classification code for “Devices for lifting brushes.”
- How many patents are filed under CPC H01R39/42 (Devices for lifting brushes)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC H01R39/42 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).